wang harry@harry_wangChinaFollow BadgesProblem SolvingJava CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experienceharry_wang has not updated employment details yet.Educationharry_wang has not updated education details yet.